Events

Theory Seminar (High Energy/Cosmology)

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Events During the Week of March 22nd through March 29th, 2026

Monday, March 23rd, 2026

Collapsing Halo Cores with Self-Interacting Dark Matter
Time: 1:00 pm - 2:30 pm
Place: Chamberlin 5280
Speaker: Kimberly K. Boddy, University Texas, Austin
Abstract: Large self interactions between dark matter particles alter the predicted properties of dark matter halos and may help address small-scale structure anomalies, while maintaining the successes of standard cold dark matter at large cosmological scales. Self interactions allow for efficient heat transfer within a halo, but they also alter the dynamics of satellite subhalos. In this talk, I will discuss how the choice of the particle physics model for self interactions, as well as the astrophysical environment, impacts the phases of halo/subhalo evolution. Video recording:
Host: Dan Hooper
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Tuesday, March 24th, 2026

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Wednesday, March 25th, 2026

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Thursday, March 26th, 2026

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Friday, March 27th, 2026

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